13949980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63409}}^1$

素因数の和:63429

約数の個数: 24

約数和(自身を含む): 31958640

約数和(自身を除く): 18008660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 63409, 126818, 253636, 317045, 634090, 697499, 1268180, 1394998, 2789996, 3487495, 6974990, 13949980]

約数ペア:

[(1, 13949980), (2, 6974990), (4, 3487495), (5, 2789996), (10, 1394998), (11, 1268180), (20, 697499), (22, 634090), (44, 317045), (55, 253636), (110, 126818), (220, 63409)]